what the hell even means pch?
Pointer to char, which means "char*". In
Hungarian notation, of course. Obviously, here you have "static const char[4]", which in some contexts can be equivalent to "static const char*". And it is not the same as a pointer to a C-string, because it is not NULL-terminated.
cool i found 10 million satoshis
This is 0x10000000, not 10000000. This is a huge difference. And that number means 256 MiB.
0x00000001 1 B
0x00000010 16 B
0x00000100 256 B
0x00001000 4 kiB
0x00010000 64 kiB
0x00100000 1 MiB
0x01000000 16 MiB
0x10000000 256 MiB